Astronomy

Star formation in the constellation Orion as photographed in infrared by NASA's Spitzer Space Telescope

Astronomy's New Stars

Thanks to new technology, backyard stargazers have traveled light-years of late to join professionals in mapping the heavens

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Stars in Their Eyes

The exquisite telescopes crafted by Alvan Clark and his sons helped make the last half of the 19th century a golden age of astronomy

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Mapping Galactic Foam

Smithsonian astronomer Margaret Geller plotted the bubble structure of the universe. Now she's working to find out how it got that way

Chandra X-ray space observatory of the NASA

A Stellar Imagemaker

Smithsonian and NASA's Chandra x-ray observatory sheds new light on the mysteries of the universe

The Ant planetary nebula. Ejecting gas from the dying central star shows symmetrical patterns unlike the chaotic patterns of ordinary explosions.

A Celestial News Bureau

Three Smithsonian astronomers run a worldwide news service about what is happening overhead

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Scoping Out the Sky

For everyday folks and presidents, too, the Naval Observatory is a fascinating place to study the stars

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A Space Invader Is Here

An intergalactic war is going on, but not the kind we used to read about in science fiction magazines

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More Violence Overhead

Bursts of gamma rays have been a mystery for 30 years; Now, with new satellites, we have some clues

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Phenomena, Comment & Notes

While Comet Shoemaker-Levy 9 is history, space scientists are beginning to piece together the details of its pyrotechnic encounter with Jupiter last July

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